JPS61138671U - - Google Patents
Info
- Publication number
- JPS61138671U JPS61138671U JP2227785U JP2227785U JPS61138671U JP S61138671 U JPS61138671 U JP S61138671U JP 2227785 U JP2227785 U JP 2227785U JP 2227785 U JP2227785 U JP 2227785U JP S61138671 U JPS61138671 U JP S61138671U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- steering
- valve device
- valve
- knuckle arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
第1図は本考案の油圧式操向装置を付設した乗
用田植機の全体側面図。第2図は本考案の油圧式
操向装置の油圧回路図。第3図は油圧バルブ装置
Aの平面図。第4図は同じく側面断面図。第5図
は第3図のM―M断面矢視図。第6図は本考案の
油圧バルブ装置内の回路図である。
A…油圧バルブ装置、B…コンビネーシヨンバ
ルブ装置、C…作業機昇降用油圧装置、1L,1
R…前輪、2…ステアリングハンドル、3…ピツ
トマンアーム、4…ベルクランクアーム、5…バ
ルブケース、6…チエツクバルブ、8…油圧シリ
ンダー、9…ナツクルアーム、22…スプール。
FIG. 1 is an overall side view of a riding rice transplanter equipped with the hydraulic steering device of the present invention. FIG. 2 is a hydraulic circuit diagram of the hydraulic steering device of the present invention. FIG. 3 is a plan view of the hydraulic valve device A. FIG. 4 is a side sectional view as well. FIG. 5 is a sectional view taken along line MM in FIG. 3. FIG. 6 is a circuit diagram of the hydraulic valve device of the present invention. A...Hydraulic valve device, B...Combination valve device, C...Hydraulic device for lifting and lowering work equipment, 1L, 1
R...Front wheel, 2...Steering handle, 3...Pittman arm, 4...Bell crank arm, 5...Valve case, 6...Check valve, 8...Hydraulic cylinder, 9...Knuckle arm, 22...Spool.
Claims (1)
マンアームと、ナツクルアーム又はナツクルアー
ム操作部材との間に、操向用油圧バルブ装置を介
装する構成において、該油圧バルブ装置Aに、チ
エツクバルブ6及びリリーフバルブ7より構成さ
れたコンビネーシヨンバルブ装置Bを一体的に付
設したことを特徴とする油圧式操向装置。 In a configuration in which a hydraulic valve device for steering is interposed between a pitman arm rotated by a steering handle and a knuckle arm or a knuckle arm operating member, the hydraulic valve device A includes a check valve 6 and a relief valve 7. A hydraulic steering device characterized in that a combination valve device B is integrally attached thereto.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2227785U JPH035170Y2 (en) | 1985-02-18 | 1985-02-18 | |
US06/819,860 US4664210A (en) | 1985-01-19 | 1986-01-17 | Hydraulic steering system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2227785U JPH035170Y2 (en) | 1985-02-18 | 1985-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61138671U true JPS61138671U (en) | 1986-08-28 |
JPH035170Y2 JPH035170Y2 (en) | 1991-02-08 |
Family
ID=30514425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2227785U Expired JPH035170Y2 (en) | 1985-01-19 | 1985-02-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH035170Y2 (en) |
-
1985
- 1985-02-18 JP JP2227785U patent/JPH035170Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH035170Y2 (en) | 1991-02-08 |
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